Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
February 28, 2019
Submitted
March 5, 2019
Operation
Air carrier
Aircraft
N491AS
Make and model
Boeing 737990ER
Aircraft serial
44109
Aircraft time
13,240 hours, 4,417 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT SIDE WINDOW OVERHEAT ILLUMINATED. EXTINGUISHED WHEN TURNED OFF AND BACK ON. GROUNDED - YES. SYSTEM CURRENTLY CHECKS GOOD, REFERENCE FIM 30-41- TASK 801.